Home / 83,888,380,556.94-115,793,553,505.26-66,772,629,613.74

Finding the Fourth Proportional to 83,888,380,556.94, 115,793,553,505.26 and 66,772,629,613.74

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Solution

The fourth proportional to 83,888,380,556.94, 115,793,553,505.26 and 66,772,629,613.74 is: 92,168,188,353.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,888,380,556.94 : 115,793,553,505.26 = 66,772,629,613.74 : x
  2. Step 2: Convert to fraction form
    83,888,380,556.94/115,793,553,505.26 = 66,772,629,613.74/x
  3. Step 3: Cross multiply
    83,888,380,556.94x = 115,793,553,505.26 × 66,772,629,613.74
  4. Step 4: Simplify right side
    83,888,380,556.94x = 7,731,840,059,865,510,707,200
  5. Step 5: Solve for x
    x = 7,731,840,059,865,510,707,200/83,888,380,556.94
  6. Step 6: Final answer
    x = 92,168,188,353.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.